value	unc_up	unc_lo	author	ref	method
0.060	0.0700	0.0700	Nugent	2016AJ....152...63N	NEATM
0.069	0.0130	0.0130	Masiero	2012ApJ...759L...8M	NEATM
0.072	0.0092	0.0092	Masiero	2011ApJ...741...68M	NEATM